4954748778 has 120 divisors (see below), whose sum is σ = 13159724292. Its totient is φ = 1388814336.

The previous prime is 4954748767. The next prime is 4954748791. The reversal of 4954748778 is 8778474594.

4954748778 is a `hidden beast` number, since 4 + 9 + 547 + 4 + 87 + 7 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4724225289 + 230523489 = 68733^2 + 15183^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 414826 + ... + 426602.

Almost surely, 2^4954748778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4954748778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6579862146).

4954748778 is an abundant number, since it is smaller than the sum of its proper divisors (8204975514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4954748778 is a wasteful number, since it uses less digits than its factorization.

4954748778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11858 (or 11842 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 63.

The square root of 4954748778 is about 70389.9764028942. The cubic root of 4954748778 is about 1704.8017391148.

The spelling of 4954748778 in words is "four billion, nine hundred fifty-four million, seven hundred forty-eight thousand, seven hundred seventy-eight".